Note: Enter your answer and show all the steps that you use to solve this problem in the space provided Z1 and 2 are supplementary angles. mZ1 is 4y + 7 and mZ2 is 9y + 4. Find mZ2

Which quadratic function best fits this data? x y 1 32 2 78 3 178 4 326 5 390 6 337 a. y=11.41x2+154.42x−143.9 b. y=−11.41x2+154.42x−143.9 c. y=11.41x2+154.42x+143.9 d. y=−11.41x2+154.42x+143.9

Iwill give ! if m∠a=59 and m∠3=81°, what is m∠b? m∠b= _[blank]_°

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15